/*=========================================================================
 *
 *  Copyright Insight Software Consortium
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0.txt
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *=========================================================================*/

#include "itkSparseImage.h"
#include <iostream>

/* This test exercises the itkSparseImage class. */

namespace itk {

template <typename TImageType>
class NodeClass
{
public:
  using ImageType = TImageType;
  using IndexType = typename ImageType::IndexType;
  int        m_Value;
  IndexType  m_Index;
  NodeClass *Next;
  NodeClass *Previous;
};

}

int itkSparseImageTest(int, char* [] )
{
  using DummyImageType = itk::Image<int, 2>;
  using NodeType = itk::NodeClass<DummyImageType>;
  using SparseImageType = itk::SparseImage<NodeType, 2>;
  using ImageType = SparseImageType::Superclass;

  SparseImageType::Pointer im = SparseImageType::New();
  ImageType::RegionType r;
  ImageType::SizeType   sz = {{24, 24}};
  ImageType::IndexType  idx = {{0,0}};
  r.SetSize(sz);
  r.SetIndex(idx);

  im->SetLargestPossibleRegion(r);
  im->SetBufferedRegion(r);
  im->SetRequestedRegion(r);
  im->Allocate();

  ImageType::IndexType index;
  NodeType *node;
  int cnt = 0;

  for ( index[0]=0; index[0] < 24; index[0]++ )
    for ( index[1]=0; index[1] < 24; index[1]++ )
      {
      if ( (index[0]>=6) && (index[0]<=12) &&
           (index[1]>=6) && (index[1]<=12) )
        {
        node = im->AddNode (index);
        node->m_Value = cnt++;
        }
      }

  using NodeListType = SparseImageType::NodeListType;
  NodeListType::Pointer nodelist = im->GetNodeList();
  nodelist->Print(std::cout);
  im->Print(std::cout);
  im->Initialize();
  nodelist = im->GetNodeList();
  nodelist->Print(std::cout);
  im->Print(std::cout);

  return EXIT_SUCCESS;
}
